package com.practice.security.handler;

import com.alibaba.fastjson.JSON;
import com.practice.utils.R;
import org.springframework.security.core.AuthenticationException;
import org.springframework.security.web.AuthenticationEntryPoint;
import org.springframework.stereotype.Component;

import javax.servlet.ServletException;
import javax.servlet.ServletOutputStream;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;

/**
 * 认证失败处理器
 */
@Component
public class CustomAuthenticationFailureHandler implements AuthenticationEntryPoint {
    @Override
    public void commence(HttpServletRequest request, HttpServletResponse response, AuthenticationException authException) throws IOException, ServletException {
        response.setContentType("application/json;charset=UTF-8");
        String res = JSON.toJSONString(R.error("认证失败，请重新登录"));
        ServletOutputStream outputStream = response.getOutputStream();
        outputStream.write(res.getBytes("UTF-8"));
        outputStream.flush();
        outputStream.close();
    }
}
